<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/shared-storage/resources/util.js"></script>
<script src="/fenced-frame/resources/utils.js"></script>

<body>
<script>
'use strict';

promise_test(async t => {
  let module_content = `
    class TestURLSelectionOperation {
      async run(urls, data) {
        if (data && data.hasOwnProperty('mockResult')) {
          return data['mockResult'];
        }

        return -1;
      }
    }

    register('test-url-selection-operation', TestURLSelectionOperation);
  `

  let blob = new Blob([module_content], {type: 'text/plain'});

  return promise_rejects_dom(t, "OperationError",
      sharedStorage.worklet.addModule(URL.createObjectURL(blob))
  );
}, 'addModule() with a Blob URL that has an unsupported mime type');

</script>
</body>
